305/55R18 Tire Size

Specifications, compatible vehicles, alternative sizes, and comparison links for 305/55R18.

Tire Specifications

305/55R18

Standard Tire Size Notation

305

Section Width (mm)

55

Aspect Ratio (%)

18”

Rim Diameter (in)

Overall Diameter:792.7 mm (31.2”)
Sidewall Height:167.8 mm (6.6”)
Circumference:2490.3 mm
Revolutions/Mile:646

Compatible Vehicles

No vehicles found for this tire size in our database.

Alternative Tire Sizes

Plus/minus sizing options and same-diameter alternatives based on 305/55R18.

Plus Sizing

315/50R18325/45R18

Minus Sizing

295/60R18285/65R18

Same Diameter

295/55R18315/55R18

Compare Tire Sizes

See the difference between 305/55R18 and another size

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